These documents cover the years 1870-1910. They consist primarily of certificates of incorporation and dissolution, articles of association, annual reports, and other legal records pertaining to the following Edison-related companies:

1. American Printing Telegraph Co.
2. American Speaking Telephone Co.
3. Automatic Telegraph Co.
4. Bergmann & Co.
5. Canadian Edison Manufacturing Co.
6. Commercial Telegraph Co.
7. Consolidated International Railway Telegraph Co.
8. Continental Commerce Co.
9. Domestic Telegraph Co.
10. Edison Co. for Isolated Lighting
11. Edison Electric Illuminating Co. of New York
12. Edison Electric Light Co. of Cuba and Porto Rico
13. Edison Electric Light Co. of Europe, Ltd.
14. Edison Electric Light Co. of Havana
15. Edison Machine Works
16. Edison Spanish & Colonial Electric Light Co.
17. Edison United Manufacturing Co.
18. Edison United Phonograph Co.
19. Edison Wiring Co.
20. Electric Tube Co.
21. Harmonic Telegraph Co.
22. Telegraph Construction Co.
23. Telephone Co. of New York.

Also included are litigation records from 1880 concerning a suit initiated by Edison, George B. Prescott, and Gerritt Smith against the estate of Western Union President William Orton. The plaintiffs sought to regain control of their British quadruplex patent rights, to which they had named Orton a trustee in an 1877 agreement.

Courtesy of the Division of Old Records, New York County Clerk.